The side effects of Shuanghuanglian are relatively small, the main adverse reactions are gastrointestinal reactions, for patients with previous gastritis, gastric ulcer and other digestive disorders, it is recommended to take it half an hour after meals to minimize the adverse reactions to the digestive system. It is also recommended to drink more water during the medication to accelerate the metabolism and excretion of the drug in the body, long-term use of Shuanghuanglian some patients can appear diarrhea and other digestive symptoms. Very few patients have a history of allergy to Shuanghuanglian, skin rash, hives and other phenomena can occur, so allergic people should be used with caution. It is recommended not to eat raw, cold, hard, spicy, cold and stimulating food during the use of the drug, so as not to weaken the effect of the drug on the human body.